/Engine/Plugins/Compositing/OpenColorIO/Source/OpenColorIO/Public/OpenColorIODisplayManager.h
Will return the configuration associated to the desired viewport or create one if it's not tracked
[FOpenColorIODisplayConfiguration](API\Plugins\OpenColorIO\FOpenColorIODisplayConfiguration) & FindOrAddDisplayConfiguration ( [FViewportClient](API\Runtime\Engine\FViewportClient) * InViewportClient )